@SessionScoped – Mehmet KILIÇ

24 Haziran 2014

JSF 2 SelectOneMenu Kullanımı

1. Managed Bean İlk önce bean sınıfımızı oluşturalım ve bean sınıfı çağırılduğı anda liste doldursun. SelectOneMenuBean.java

package com.turkishh.bean;

import java.util.ArrayList;
import java.util.List;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.model.SelectItem;

/**
 *
 * @author www.turkishh.com
 */
@ManagedBean
@SessionScoped
public class SelectOneMenuBean {

    public SelectOneMenuBean() {
        this.konu.add(new SelectItem(1, "JSF Örneği"));
        this.konu.add(new SelectItem(2, "JSF 2 Örneği"));
        this.konu.add(new SelectItem(3, "JPA Örneği"));
        this.konu.add(new SelectItem(4, "Maven Örneği"));
    }
    private List&lt;SelectItem&gt; konu = new ArrayList&lt;SelectItem&gt;();
    private String selectedKonu = "";
    private String selectedSeviye = "";

    public List&lt;SelectItem&gt; getKonu() {
        return konu;
    }

    public void setKonu(List&lt;SelectItem&gt; konu) {
        this.konu = konu;
    }

    public String getSelectedKonu() {
        return selectedKonu;
    }

    public void setSelectedKonu(String selectedKonu) {
        this.selectedKonu = selectedKonu;
    }

    public String getSelectedSeviye() {
        return selectedSeviye;
    }

    public void setSelectedSeviye(String selectedSeviye) {
        this.selectedSeviye = selectedSeviye;
    }
    public String konuSec() {
        return "deger.xhtml";
    }
}

package com.turkishh.bean;

import java.util.ArrayList;

import java.util.List;

import javax.faces.bean.ManagedBean;

import javax.faces.bean.SessionScoped;

import javax.faces.model.SelectItem;

/**

* @author www.turkishh.com

@ManagedBean

@SessionScoped

public class SelectOneMenuBean {

public SelectOneMenuBean() {

this.konu.add(new SelectItem(1, "JSF Örneği"));

this.konu.add(new SelectItem(2, "JSF 2 Örneği"));

this.konu.add(new SelectItem(3, "JPA Örneği"));

this.konu.add(new SelectItem(4, "Maven Örneği"));

}

private List<SelectItem> konu = new ArrayList<SelectItem>();

private String selectedKonu = "";

private String selectedSeviye = "";

public List<SelectItem> getKonu() {

return konu;

}

public void setKonu(List<SelectItem> konu) {

this.konu = konu;

}

public String getSelectedKonu() {

return selectedKonu;

}

public void setSelectedKonu(String selectedKonu) {

this.selectedKonu = selectedKonu;

}

public String getSelectedSeviye() {

return selectedSeviye;

}

public void setSelectedSeviye(String selectedSeviye) {

this.selectedSeviye = selectedSeviye;

}

public String konuSec() {

return "deger.xhtml";

}

Arayüz oluşturuyoruz ..

&lt;?xml version='1.0' encoding='UTF-8' ?&gt;
&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://xmlns.jcp.org/jsf/html"
      xmlns:f="http://xmlns.jcp.org/jsf/core"&gt;
    &lt;h:head&gt;
        &lt;title&gt;www.turkishh.com&lt;/title&gt;
    &lt;/h:head&gt;
    &lt;h:body&gt;
        &lt;h:form&gt;
            &lt;h1&gt;
                &lt;h:outputText value="www.turkishh.com  JSF 2.2 Örneği" /&gt;
            &lt;/h1&gt;
            &lt;h2&gt;
                &lt;h:outputText value="SelectOneMenu Örneği" /&gt;
            &lt;/h2&gt;

            &lt;br /&gt;
            &lt;h:panelGrid columns="2"&gt;

                &lt;h:outputText value="Konu Seçiniz :" /&gt;
                &lt;h:selectOneMenu value="#{selectOneMenuBean.selectedKonu}"&gt;
                    &lt;f:selectItems value="#{selectOneMenuBean.konu}" /&gt;
                &lt;/h:selectOneMenu&gt;

                &lt;h:outputText value="Seviyeyi Seçiniz :" /&gt;
                &lt;h:selectOneMenu  value="#{selectOneMenuBean.selectedSeviye}"&gt;
                    &lt;f:selectItem itemValue="1" itemLabel="1 .Seviye" /&gt;
                    &lt;f:selectItem itemValue="2" itemLabel="2. Seviye" /&gt;
                    &lt;f:selectItem itemValue="3" itemLabel="3 .Seviye" /&gt;
                &lt;/h:selectOneMenu&gt;
            &lt;/h:panelGrid&gt;
            &lt;br /&gt;&lt;br /&gt;&lt;br /&gt;
            &lt;h:commandButton value="Konu Seç"
                             action="#{selectOneMenuBean.konuSec()}"&gt;
            &lt;/h:commandButton&gt;
        &lt;/h:form&gt;
    &lt;/h:body&gt;
&lt;/html&gt;

<?xml version='1.0' encoding='UTF-8' ?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"

xmlns:h="http://xmlns.jcp.org/jsf/html"

xmlns:f="http://xmlns.jcp.org/jsf/core">

<h:head>

<title>www.turkishh.com</title>

</h:head>

<h:body>

<h:form>

<h1>

<h:outputText value="www.turkishh.com JSF 2.2 Örneği" />

</h1>

<h2>

<h:outputText value="SelectOneMenu Örneği" />

</h2>

<br />

<h:panelGrid columns="2">

<h:outputText value="Konu Seçiniz :" />

<h:selectOneMenu value="#{selectOneMenuBean.selectedKonu}">

<f:selectItems value="#{selectOneMenuBean.konu}" />

</h:selectOneMenu>

<h:outputText value="Seviyeyi Seçiniz :" />

<h:selectOneMenu value="#{selectOneMenuBean.selectedSeviye}">

<f:selectItem itemValue="1" itemLabel="1 .Seviye" />

<f:selectItem itemValue="2" itemLabel="2. Seviye" />

<f:selectItem itemValue="3" itemLabel="3 .Seviye" />

</h:selectOneMenu>

</h:panelGrid>

<h:commandButton value="Konu Seç"

action="#{selectOneMenuBean.konuSec()}">

</h:commandButton>

</h:form>

</h:body>

</html>

Ekran çıktısı :

<img class="alignnone" alt="" src="http://www.turkishh.com/wp-content/uploads/2014/07/deneme.png" width="536" height="342" />

ikinci sayfamız .

Ekran çıktısı :

ikinci sayfamız .

&lt;?xml version='1.0' encoding='UTF-8' ?&gt;
&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
&lt;html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://xmlns.jcp.org/jsf/html"&gt;
    &lt;h:head&gt;
        &lt;title&gt;Facelet Title&lt;/title&gt;
    &lt;/h:head&gt;
    &lt;h:body&gt;
        &lt;h:panelGrid columns="1"&gt;

            &lt;h:outputText value="Seçilen konu : #{selectOneMenuBean.selectedKonu}"/&gt;
            &lt;h:outputText value="Seçilen seviye : #{selectOneMenuBean.selectedSeviye}"/&gt;

        &lt;/h:panelGrid&gt;

    &lt;/h:body&gt;
&lt;/html&gt;

<?xml version='1.0' encoding='UTF-8' ?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"

xmlns:h="http://xmlns.jcp.org/jsf/html">

<h:head>

<title>Facelet Title</title>

</h:head>

<h:body>

<h:panelGrid columns="1">

<h:outputText value="Seçilen konu : #{selectOneMenuBean.selectedKonu}"/>

<h:outputText value="Seçilen seviye : #{selectOneMenuBean.selectedSeviye}"/>

</h:panelGrid>

</h:body>

</html>

Çıktısı : Umarım yararlı olmuştur 😉...

J2EE / Programlama

21 Nisan 2013

EJB – Session Bean (Stateless-Stateful -Singleton) kullanımı?

Bir onceki yazimda EJB(Enterprise Java Beans) Nedir? Nasıl Kullanılır? sorunusun yanitlamaya calismistim . Simdi ise @Stateless ,@Statefull , @Singleton notasyonlarinin aralarindaki farklar neler bunlara deginecegim bir alisveris sepeti ornegiyle … ornegimize basliyalim.. EJB’ lere...

Tagged: @SessionScoped

JSF 2 SelectOneMenu Kullanımı

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